#include <iostream>
#include <string>
#include <cstring>
#include <sys/types.h>
#include <sys/socket.h>
#include <netinet/in.h>
#include <arpa/inet.h>
#include <unistd.h>

#include "Common.hpp"
#define MAX_BUFFER_SIZE 1024

int main(int argc, char* argv[])
{
    if (argc!= 3) {
        std::cout << "Usage: " << argv[0] << " server_ip server_port" << std::endl;
        return 1;
    }

    std::string server_ip = argv[1];
    int server_port = std::stoi(argv[2]);

    int sockfd = socket(AF_INET,SOCK_STREAM, 0);
    if(sockfd < 0)
    {
            std::cout << "create socket error" << std::endl;
            return 2;
    }
    //填充服务器地址信息
    struct sockaddr_in server_addr;
    memset(&server_addr, 0 , sizeof(server_addr));
    server_addr.sin_family = AF_INET;
    server_addr.sin_port = htons(server_port);
    server_addr.sin_addr.s_addr = inet_addr(server_ip.c_str());
    //client不需要显示的bind，tcp是面向连接的,connect底层会自动bind

    //连接服务器
    if(connect(sockfd, CONV(&server_addr), sizeof(server_addr)) < 0)
    {
        std::cout << "connect error" << std::endl;
        return 3;
    }

    //发送数据
    std::string message;
    while(true)
    {
        char inbuffer[1024];    
        std::cout << "input message: ";
        std::getline(std::cin, message);
        int n = ::write(sockfd, message.c_str(),sizeof(message));
        if(n > 0)
        {
            int m = ::read(sockfd, inbuffer, sizeof(inbuffer));
            if(m > 0)
            {
                inbuffer[m] = 0;
                std::cout << inbuffer << std::endl;
            }
            else 
            {
                break;
            }
        }
        else
            break;

    }
    



    ::close(sockfd);

    return 0;
}